Printing machine



Nov. 9, 1943- F. E. CURTIS PRINTING MACHINE Filed NOV. 16, 1940 9 Sheets-Sheet 1 Nov. 9, 1943.

F. E. CURTIS PRINTING MACHINE Filed Nov. 16, 1940 9 Sheets-Sheet '2 4 a 0 m 1 s anvil 0 m a r f w an ww 1' o 0 j 1 km NW ANN hm. 0 mm L M o MN W NM NM 3 f 1 a0 \N \l M H r m. \l .6 mm W R 0 I- w a mm Q 8 RM NN 4 \N o 1 Sm M\ MN T N8 14 w r. A G S 3 EN Q 1 x .2 s Q a o hmw M MkN m3. l I MQN \QN ll WQN E 1943. F. E. CURTIS 2,333 8 44 PRINTING MACHINE Filed Nov. 16, 1940 9 Sheets-Sheet 3 1920611501" Han/aim E. CWZL'S @fifarizgyal Nov. 9, 19425.

F. E. CURTIS PRINTING MAcH'INE Filed Nov. l6, 1940 9 Sheets-Sheet 4 Han/2391 E, C 11/5615 53 Q/ Nov. 9, 1943. -F E, CURTIS 2,333,844

PRINTING MACHINE Filed Nov. 16, 1940 9 Sheets-Sheet 5 Nov. 9, 1943.

F. E. .CURTIS PRINTING MACHINE Filed Nbv. 16, 1940 9 Sheets-Sheet 6 ;i )llllllllllllln Z707 ways.

Nov. 9,1943. F. E. CURTIS 2,333,344

PRINTING MACHINE Filed Nov. 16, 1940 9 Sheets-Sheet 7 F. E. CURTIS PRINTING MACHINE Filed Nov. 16, 1940 Nov. 9, 1943.

9 Sheets--Sheet 9 Patented Nov. 9, 1943 UNITED STATES PATENT,

OFFICE 2,333,844 PRINTING MACHINE Franklin E. Curtis, Euclid, Ohio, assignor to Addressograph-Multigraph Corporation, Wilmington, Del., a corporation of Delaware Applicationhlovemher 16, 1940, Serial No. 365,853

' lotion-s) v 14 Claims.

Y This invention relates to printing machines of the kind through which printing devices'are sequentially fed to have impressions made therefrom onto sheets successively passed through the machine.

While a wide variety of: printing devices are sequentially fed through printing machines of the character to which this invention pertains, that shown. in Gallwitzer Patent No. 2,049,436, patented August 4, 1936, is exemplary. As is well understood in the art, printing devices of th'isgeneral In other printing machines of this general character as, for example, those employed to adparticular printing device, means were incorporated in the machine for interrupting operation devices through the machine solong as the machine remained in operation.

However, there are instances where it is desirable to make a large number of impressions from of both the means operative to feed the printing No. 1,952,914, patented March 27, 1934.

There have been other arrangements to which resort hasbeen had to. control operationiof the chine so that the advancing means will need not be kept normally operative. In such instances. however, usually a different number of sheets or the like may be 'fed through the machine to receive oneor more impressions from the different Inan instance Where a collection of sheets or the like are fed through a printing machine and each sheet.

' the event no sheet or each is to receive impressions from the same printing device, it is often necessary to make a plurality of impressions from such a printing device on each sheet fed through the machine, and yet another object of this invention is to enable this to be accomplished when the need so to do arises, and an object ancillary to the foregoing is to employ means effective to position each sheet fed into a printing" machine relative to a printing device disposed at printing position therein and to so arrange such means that a plurality of different positions "on each sheet may be artration, show a. preferred embodiment and the principle thereof and what I now consider to be the best mode in which I have contemplated applying that principle. Other embodiments of the invention embodying the same or equivalent principlemay be used and structural changes may be made as desired the purview of the appended claims.

In the drawings,

the general character with which my invention ranged relative to printing position whereby a j plurality of spaced impressions may Other and more specific objects are tomaintain a driving member in a means for feeding printing and like devices through a printing machine out of driving connection with a driven means included with such sired to impart advancing movement to the printing and like devices ,to' be fed through the machines; to control interconnection between the driving and driven means in a means for feeding printing and like devices through a printing ma-,

' chine under characteristics selectively included like passed-through the ma.-

eifective toprevent driving driving and a driven memin sheets or the chineytolatch means connection'between a her in ameans for feeding printing and like demachine in such a posi-,

vices through a printing tion that driving connection between the driven and driving members will normally be prevented; to unlatch means of the aforesaid character under control of a detecting means included in the machine responsive, for example, to characteristics selectively included in sheets or the like successively fed through j the machine; to insure against undesired successive feeding of printing and like devices by restoring to effective position, in each feeding operation of a printing device feeding means, means' effective to prevent a feeding operation-oftheprintingior like device feeding means; to electrically control means operative to maintain a driving member of a printing'or like device feeding means disconnected from a driven member in such means; and to enablem'eanseflfective to prevent successive feeding of printingor like devices to-be readily rendered ineffective when so desired.

In those instances where the advance of printing or like devices through a printing machine is under control of detecting means responsive to be made on feeding means until it is desheets, or characteristics included in sheets,

a sheet to feed or after an operationof normally inoperative printing or like device advancing means; Other and and are illustrated in the accompanying drawings which,

and

further objects of the present in- 'vention will be apparent from the following de-. scription and claims I by way of illus'- may be utilized and in which my invention is incorporated;

Fig. 2 is a front elevation of the machine shown in Fig. '1;

Fig. 3 is a vertical sectional detail view taken the line 3-3 on Fig. 2;

detail view taken substansubstantially on Fig. 4 is a sectional tially on the line 4-4 on Fig. 3;

Fig. 5 is a vertical sectional detail viewtaken substantially on theline 5,-5.0n Fig. 2;

Fig. 6 is a fragmentary detail view of as show'nin Fig. 3 and showing certain of-the r operative parts in another of the operative positions thereof;

Fig. 8 is'a sectionalview on the line 8--8 on Fig. 3; I

Fig. 9 is a detail view taken substantially on the line 9-.9'on Fig. 1; i Fig. 10 is a transverse sectional detail view taken-substantially on the line 10-40 on Fig. 9; Fig. 11 is a longitudinal sectional view through the printing device feeding means; 9

Fig. 12 is a fragmentary view of a portion of the parts shown in Fig. 9 but showing these parts in another operative position;

Fig. 13 is an elevational view utilized in the machine illustrated and described herein;

taken substantially Fig; 14 is a detail view taken substantiallyon printing and like devices through a printing ma chine, and in view of this it will be understood that while I have shown a particular type of printing machine in the accompanying drawings and will hereinafter describe the structuralchar acteri'stics of this machine, my; invention-may. well be utilized to control the printingtor like device feeding means of a wide variety of other.

machines;

The machine disclosed in the accompanying' drawings is of thegeneral character of that disclosed in Gollwitzer Patent No. 2,002,773, patented May 28, 1935, which, as shown in the accom panying drawings, includes a stand 20 for support:

ing a bed plate 2| in spaced relation with the floor or other support. Uprights as 22 extend upwardly from the bed plate 2| and along with.

support bearingsin which brackets23 and 24 driving, cam and other shafts :includedinthe by those skilled in the art without departing from the present invention and certain 1 of the parts illustrated in Fig. 3 andin which certain of the operative parts are shown in:one

of a control sheet similar to Fig. 15; showing machine; are. iour'naled; these uprights'andbrack ets including suitable pa ds and; suhebrackets "on which other machine parts snclrasthe table top 25; are mounted;

Shafts as 26 and oppositeends at timetable ,ficpi -1- and pulleys at suitably named at enema as 28 and .29 are fast thesefshaftstohave endless" feed tapes T passed thereaboufithe: passes of the tapes Thetweenjithe pulleys ZBJaDCIZ'Q extending across the: table top Ziand being effective. to. carry? sheets deposited: thereon. into printing position in. the machine .zbe'neath' the platenfP; As best shown in Fig. 2;.the. tapes '1 are: passed about take-up arollersftoaand 34: respectively carried 'by' arms 1 '32 andf supported by brackets: 14' and. 3'5 which are, in turn; carried bytheframe and the. bed plate 21!. In

orderto insure syn'cl'ironoiis: operation ofthe shafts 2.6. and-21 and therefore the. pulleys 28 and 29, 'otherpulleys and 3'1 .arerespectively .fasst ad-ischa'rge chute )C, .Fig. 1.1, through which the printing devices pass to be collected in the galley G after they have been dis'charged'from printing position abovethe anvil A beneath the-platen P. Ashai't 46Jis suitably journaled intheirame of the machine neanthe frontendthereof and an- 7 other shaft: H is also tjcournaled in the: frame of the machine rearwardlyof. the magazineM,gas best shown in Fig; 11.. l Sprockets as 48 and 49 are respectively fastnone. shafts I46 and 41 and endless chains. as 56 are passed about the sprockets as d9itohave the upperipasses thereof disposed on the shafts. 26; and 21, and an endless driving pulleys similar to and supportedin a..siini1ar manner to the take-up pulleys. 3!) and 3L In the presentinstance a rack. 39is provided at the right-hand'end .oixthe machlne, asit is viewed in Figs. 1: and 2.; and the sheets Sthat are to ,beiprihted. in the: machine :are stacked therein. Suitable means. areprovidedt for withdrawing the sheets one. at a time from the rack 39 and for depositing the sheets" on *the'tape's T, as they pass about the pulleys 29,. typical means belt at is passed about. these pulleys and take-up for'this" purpose being disclosed in the aforesaid Gloll-witzer Patent No. 2,002,773; .The'. means which are efiective to withdraw theisheets S from the rack 3.9 in the present. instance are those which are described in detaiLin the aforesaid Gollwitzer patent, and it is to be understood thatthe'other suitable means might be. employed in place of the illustrated means without departing from. theipurview' of thisinventionr However,

inwardly of the guides 45. Pawls as 5! are provided on the chains 50' to project upwardly from thepassesthereof.inwardlyoi the guides. 45,. the I p'awls 5 t on the respective chains 50' being aligned onewithflthe other; and such sets; of pav'zls are uniformly; spaced apart on ,the chains. in an amount equal" to the length of the step-by step feeding movement: that is imparted to the chains in amalnner' described presently. Inthe course of such step-by-step movement imparted to'the chains 50, a pair of pawls- 5| move into position behind the rearwardly disposededge of the lowermost printing device: D in the magazine MT and in the. course of movement of the chains 59, thesepawls are effective to move such printing device torwardly between the guides 4b. The anvil A is spaced. forwardly fromthe magazine M such an amountthat in the course of the step-by-step movement-imparted to the chains so, a printing deviceD-is brought to rest above the anvil A andbeneaththe platenPQran ink ribbon R in the. present instancebeing spaced above the anvil A so that when a printing device comes to rest on the anvihj and theembossed type characters on the printing device are dis posedbcneath this ink ribbon, an impression-may such meanswinclude suctionnozzles as M! which are moved into engagement with the innermost 9 sheet in the stack thereof in the rack 38, and

these nozzles are thereafter rocked so as to bring the upperedge of this innermost sheet over'into engagement with feed rollers as '4! mounted on the. driven shaft 42 the cooperating clamping rollers as 431 mounted on the shaft being with, drawn fromsheet clamping cooperation. with the rollers M at the time the nozzles? as 4.1! arerocked to bring the sheet over onto theueed rollers. However, under control of means.;-described in detail in the aforesaid Gollwitzerl patent, the rollers 43 are moved" into position clamp a sheet brought into engagement with the rol'lers M against such rcll'ersand thereupon the sheet is'ied forwardly onto the tapes? above the pulley 29 to thereafter be deposited onthe; tapes and be carried thereby into printing positionin the machine in a manner described in ful-l detail hereinafter.

A magazine Miextendsupwardly from; the ta ble top25 about midway in the:extent and along the rearedge thereoffand in; the manner well understood in the art the: printing or, like devices D that are to be fed through theg-machinezfare introduced into this; magazine sothat the means for feeding the printing orlilse. devices through the machine and intoprintihgposi'tion beneath the platen P may successivelyywithdraw ."the' lowermost device D from this. magazinesand feed it to and from printing position. '1

- A air of spaced apart guides asqfi-fi extend iorwardly from. the magazine andterminate in made therefrom by :the platen P. .Hence,

when. the platen P is-lowcred into the printing 3 position "thereof, the'type 'characters'make' an impression on 'arsheet' sinterposed between the platen and theinkribbon. r

i Raisihgand loweringmovement isimparted to the, platen. P and the aforesaid step-by step 'mo veihent 19111113311186. to the chainsflilt from" the drive shaft. which receives power from the 'isodriven from thedrive shaft 52.

rocker-"6 5, Fig. 5,. is pivotally mounted on the interconnection 5'4 'between these shafts. The

shaft .53 15 "set in motion when the" clutch described in detail? hereinafter, is engaged toconnect this shaft 53'5with the pulley El, that is rotatably' mounted on shaft 53 and to which power is imparted through the belts fiBfrom a suitable electricmotor (not shown) carried by theframeofthemachizne;

The plateniwframe 59; Fig. 5-, is pivotally mounted on the frame of the machine above the tabletop 2.5, as-indicated at 58', and is formed to afford. supports for the rollers 61 and 52 which respectively cooperate with the conjugated cams fiafan'd' 64 fast on a sleeve 65 that is suitably clutched or: otherwise connected to the drive shaft 52. The conjugated cams $3 and 64 so cooperate with the rollers El and 62 that-the platen arm' 59: is. rocked about the pivotal mounting Gil thereior toith'ereby move the platen intoandfrom printing position, as. hereinabove described.

. As stated, the printing deviceadvancine means Thus, a

frametof. the machine as indicate-dint 61,1 and carries a: pair'of spaced rollers 69 and to that respectively cooperate with the conjugated cams tion above the anvil A. i

H and 7.2 that areiiast on the shaft 52 sothat whenv this shaft rotates, a rocking *movementxis imparted to therocker '66.- Another rocker; generally-indicated. by 13, is pivotallym'ountedas indicated at T4,?beneath: thewtabl top 25 and includes an arm I5'that; is suitably connected,:by the interconnecting means .15; with the depending arm of theroc'ker I56 sothat as therockerBG is rocked about its .ipivotal mounting '61: (the rocker I3. is rockedaboutits pivotalmounting M.

The rocker 73 also includeslan arm IT at the those comparatively:infrequentinstances. where an advancingmovement is to be imparted to the printing devices, novel means, such as are now I to be described, are incorporated in the machine to enable this to be accomplished. f f r .,--Thus,partioularly referring to Figs. 3,4, 6,7

and 8,\it will-be-seen' thata bracket 83 is provided on the upright 22 and includes a: lug 84! on which a rocker, generally indicated -by'=85, ispivotally mounted; as indicated at 86.1- The rocker =85 includes an upwardly projecting arm 81' have free forward end of which .a pawl or driving member 18 is pivotally mounted,-as indicated. at

19; a spring being efie'ctive on the pawl .19"

to urge it toward the" pins or driven members 82 on the sprocket 59. The pins 82 areuniformly spaced one from the other onlasprocket-AS in such an. amount'that when the pawl,'l8 is retracted, in a counterclockwise direction as viewed in Fig. 5, from engagement with one of such pins, "it is moved into driving relation with; the

succeeding of such pins, in the course of the 'rocking movement of thearm II ofthe rocker 13 in one direction. Then when the arm '1'! moves in the opposite direction, and the pawl I8 engages such succeeding of the pins, '82, a driv ing movement is imparted to the ssprockets 43,

both of which are fast to the rotatable-shaft 46, and consequently the chains and thereupon the printing'devices D engaged by the pawls 5| are moved forwardly one step in the step-bystep movement thereof so as to, as in the manner hereinabove described, be advanced from the magazine M and eventually into printing posi- In printing machines of the character thus far described which, as stated hereinabove, are typiis disposed adjacent the-sprocket 49 on whichthe cal of the general class of printing machines throughwhich printing and'like devices 'are. advanced, the driving member such as the pawlJB included in the printing device feeding means is normally arranged for engagement with the co-.

ing a yieldable finger 88' mounted thereon that pins 82 aremounted "sothat ftheifingeraafl is aligned with the pawl -or. drivingrmember'mp The pawl-or driving 'm'e'mber 78' isshown in its normal'atrest' position in Fig. '3 but in the course of a'n operation of theshaft 52 and dur-.

ing substantially the first one hundred? eighty degrees of rotation of 'this'shaft,.the pawl I8 is retracted 'from the position in whichit is shown in -Fig.*3 into'theposition 'in' which it is shown in Figs. 6 and 7, and whether the pawl assumes the position shown in Fig.6.or the position shown p in Fig. '7 isdetermined by the position of. the

finger EiS-andtherefore, of course, the rocker 85. Normally the rocker B5 is disposed inthe position shown in Figs. 3 and 6 s0 that'when the pawl 18 attains its ,fully retracted position shown in Fig; 6' and is. eng'aged' withthe finger88fthe pawl ordriving member 78 is prevented'from engaging a driven members'uch as a pin82.: 1

" The rocker 85 is normally'latchedIin'rth'e 'posia tion where thefinger 88 engages the pawl l0' by' the engagement of the lug 89, on the depending arm 90 of the rocker 85,with'a' shoulder 89." on thelatchtarmiillr The latch arm 9| is rotatable on the shaft 92 fast in the bracket 93 carried'bythe upright- 22. A spring M, Figs. 3; 7 and 8,ex-

operating driven member or'members as the pins f 82 sothat in the course of operation of ther'na chine, eachtime the driven member as thepawl 18 is operated, an advancing movement is im-' Even in parted to the printing or like devices. those instances where a multiplicatingarrange ment has been provided as where duplicate,-trip-- licate or quadruplicate impressions are. to be made from a printing deviceadvanced into'printing position above-the anvil as A,.the driving means as the pawl 'IBhas been arranged for;

cooperation with a driven member as the pins 82 each time the driving member is set in opera tion, for in such instances a countingor equivalent means has usually been provided to render the driving means as the pawl 18 (and'of course the parts associated therewith) inoperative inia'l j ternate rotations of the shaftas 52, in the instance where duplicate impressions are to be made from each printing devicefed into printing. position, or to render it inoperative for two successive. rotations of such shaft'and then efiective in; the third rotation where triplicate impressions were to be made and so on where quadruplicate or even more impressions were to be made from a particular printing device fed into printing position.

However, in those instances where the number of impressions to be made from eachprinting devicefed into printing position is such that it is advantageous to maintain-a drivi'ngmember as the pawl 18 disconnected from the driven member'as' the pins 82 in all-instances'except ten'dsbetween a'spring anchor '95 on'the bracket 93 and a'springranchorfifioh the/arm 90 oi" v the rocker 85, and this spring isefiective to hold the lug 89 inen'gagement withtheshoulder .89

'on thelatch-arm 9|.

flThe connection 'between' the lug 89 and the shoulder 89 is controlled by a, solenoid 91' mounted on the bracket 93.} This solenoid in-:

cludes an attra'ctablercore w slotted," as indicated at 99, Fig. 4; toreceiveone end'of-an arm 400; a pin I'Ill extendingthroughaslot in the 'arm' I00 to'anchor itfin the-slot 9 9; :The arm I00 is pivotally mounted on'the shaft 92 and a sleeve I02.

disposed about the shaft, serves to interconnect the arm I00-andthe latch arm-BI; The latch arm-BI includes a depending arm I03. One end ofa spring I04 is" connected to; the "free end of the arm'I03 and the other end of this spring is 'connected'to a spring anchor: I05 connected to the bracket 93, the anchor I05 having an open} ing I06 therein into which'the-pin Ill'l' on the bracket 93 is extendedm The spring I04 is lefiective through the arm I03 tourge thelatch'arm 9| and therefore the arm I00 and the core ,98 into the upper positions thereof shown in Fig. 3 in. which the shoulder 89 onthe latch arm 9I en-' gages thelug 89. The partsmetain'this'position until thesolenoid QTisenergiZed. .When,v how- 7 ever, the solenoid 97 isenergized and the core 98'thereof is 'attractedfdownwardly,the arm I00 and the latch arm'9I are pivotddownwardly into the position shown in Fig/7 and thereupon the rocker is freed to the-action of the spring 94 and is moved from the'positi'on. shown in Fig. 3 1 into the position shown in Fig. 7. When the rocker 85 moves into this unlatched position,

shown in Fig.7, the finger 8'8 is disposed out et the path of the :pawl which may, therefore, move into engagement with the adjacent of the pins 82 when the arm 1.1 of rocker 1S3 attains its retracted positionshown in E'igs. 6 and; i

When the rocker 4 85 is :in the latched position ing movement of the arm 71 firom the position shown in Fig. 6' 'ba'ck into the position shown in Fig. G and, as a result, the pawl -or-driving mem ber 78 does not impar't driving movement to the adjacent pin 82 andoonsequently thesprocket and thechainsEB-ory" other words, the driven shaft 22; 1n-

member of the printing device -feeding means However, when-the rocker'ii'S attains its -=nnlatched position, described herein above and shown :in Fig. -'7, the -finger88 can-notengage the-pawl =78. Hence, "the pawl -18 moves into "driving relation with an adjacent pint-2, 'as shown Fig. "I.

into the position shown in Fig. 3 ,-'driving-mov;e-

ment 'isim-parted to the adjacent pin' flfl and therefore the sprocket H! on Wl'ii'chit is mounted and the 'ehai-n-passed about this -s1'arocket. Since the-tWo-sprockets 49 are-both fastto shaftflfigthis driving movement-isimparted tosprockets'49 and both'chainsifl whieh;through-the pawls fi l there- It'hasbeen explained hereinabove that Where plura'li y of sheets as "S are to receivein p es-j sions 'froma printing device'D dispose'din p 'inting position ,in themachine, it is advantageous and desirable to control the advancing of the printing devices through ,the machine by the sh r, m r' ypartti'cula ,y, by ."chaizacteristios included in selected of the sheets. It is to be understooihowever,that whilethis' devices ata selectedor ,clesired time. I However, in the illustrated, form of the {invention, energization of the solenoids?! $31 is indicated {by sP. :The sh t-8 w ch s {se stantiail rectangular inooutl-ineias are; t c v. sheets; to be ;printe,d, iinethe machineghasm {longitudinally.extendingcslotvH18 formed thereinrwhich is preferablyzcentrallyrloeated in theisheetzSP but which, in anyievent, iszsottlocatedrin,thesheeirthat it wilt not lieoin the path ofria SllCtiOIlIlQZZIQfiSFD that .is adapted :to withdraw sheets afrom 317116 rack 39. 7

-Pifter. the sheets {are withdrawn fro szthe rack M ami ntiepositedson the-feed rollers: 4| "to be tfed by the fe'ed .ta;pe's 1T, tithe sheets pass ibeneath-za detecting Wheel 1 08 that is cartied bya shaft H 0 in alignment :with the penipheraa wheel I l 2 fast-on the-shaf-t'fil. A-lug l ltnF ig. 1'0, depends from the trams of ithevmachineabove the table top 2'5 and earries a stud M4 on which the arm lfi of #a rocker, genepal'ly indicated by l-H, =i s pivotally -niounted, theshaft H0 being suitably fast in the-rocker i I 1. "l he rocker 1 M includes groove i lii in the an arm H3 that extends at an angle upwardly from 'the arm l tfi thereof. lhe arm lI-B has a 5 fo-r ma-cietecting-operation:

The ti-ming and arrangement is sueh that a sheet, ied Joy -the-ro11ers 4|, should ibe disposed between thewheel I 69 and the groove M l i-n the wheel H2 at-the time-the drop 124 in 0am 4M moves into alignment With the #1 91191 1 19. If the'wheel H39 engages asheetis'a-t this time; the r oc-ker l l i is prevented --f-r0m' pivoting and the a the wheel we attains ever, when the-wheel l tii does not engagefthe face of a sheet S, or-inoves into an opening 408' ina sheet SP, the-roeker i r-l nivots downwardiy sinee the Wheel I 09 WI-.11, in g Q int0-the8g-roove IH in the-Whee'I 41 2. When the rocker -H 7 so pivots downwardly, IfGllt-Z l M19 passes into -;the ail-op 4 2! "in the x-ram for a pnl pose to be explained hereinafter. Ih-us, so 1on5, as sheets-"S {are opening i W therein -moves below the wheel 4%, these "PB/ifliS -move *into a lowerposition. Ehe present machine is so a-1 ranged--that-whenever 'SLLCh a -=lower position by reason oft-he nresenceof-a-sheet sP-therebelow, the solenoid-:9 is to beenergized --so as-lto unlath the rOeker 35 to permit it-'to assume -the; pos'ition shown inrFig. '7 {:This' is 'aceomplished by assoeiating aswitchwith the-'wheel l fl fi' which isclosed when "the Wheel +89 attains the aioresaid'iower As to the switch which is closed when-detecting Wheel J09 attains "itsflower pdsition it WiH LBE noted that a finger l 33 2 projects -foi warijlyfrom th f e lendnf i sh f J FL 0 wh rw e I 99 i nnio n e Thejiine s t rri an.ai i te screw. t2tatthefr enhithe o th i"d qs ab e. t f end a ri e'to twtrffih n ahcontact ,p'oin 1126 nea th ..-z e .i l ihe i tha isn mafl ssnace awa mmj b'eieqn aqt int 2 n th nt t, flne n'lzB. .Amlat io ins latin -mamma i k ism unted. nthejt 114 the bed plate 1 :25 an the-contac fin e I ,8 .i

res-ted onthis plateof insulating material. Bushine re ai sulatinam t ia a 4-3,

between.-t a entaet e t wil seqd -8 se vinsft -anqho ithe nsnlatin the contacts I28 and I25 and the bushings I30'in position with thegcontacts I25 and I28 electrically insulated one from the other.

A conductor 32, Figs. 9 and 3, leads from the spring contact I25 to one end of the winding of the solenoid 51 and a conductor I33 leads from the other end of this winding to a suitable source of electric current (notshown) av conductor I34 leading from this source of current to the-contact. i233. Whenever the detecting wheel I alttains its aforesaid lower position, theadjusting screw I2 1 forces the contact point I26 intoengagement with the contact point I21 and. thereupon circuit; is closed to the winding of the solenoid 91 and as an incident to the resulting energization of the solenoid 91, the core 98 thereof is attracted, against the effectof the spring I04, from the upper position shown in lower position shown in Fig. '1. Thereupon the shoulder 89 is withdrawn from engagement with the lug 89 and the rocker 85 is freed to the efiect of the spring 94 to thereby be disposed in the position shown in Fig. '1 wherein the finger 88 is held out of the path of the driving member or pawl I8.

Such energization of the solenoid 91 and re traction of the f nger 08 from the position in which it may engage the pawl 18 is timed to occur during the time the pawl 13 is moving from the position in which it is shown in Fig. 3 into the retracted position thereof shown in Figs. 6 and '1. It will be understood that if a normal sheet S is disposed beneath the wheel drop IZI moves in position below the roller IIS, then the solenoid 51 is not energized with the result thatthe finger 88 engages the pawl 18 and maintains it in the position shown in Fig. 6 to prevent driving movement being imparted to the sprockets 49 and the chains 50. When, however,

by reason of the presence of a sheet SP therebe- I09 moves into its aforesaid lower position and circuit is closed to the solenoid 91 and, as explained above, the finger 83 is held from contact with the pawl 18, then at the end of its retracting movement the pawl 18 attains the position shown inFig. '1 so that in the course ofthe return of the arm 11 oftherocker 13 to itsnormal at rest position shown in Fig. 3, the driving member or pawl 13 is effective'on the driven member, including the adjacent pin 82 and the sprocket 49, to thereby impart an advancing movement to the chains 50. Thereupon the pawls as on these chains are effective to withdraw the printing device D that has been disposed in printing position from this position and to advance it to the dischargechute C whereby this printing device will pass into the galley G, and the pawls 5I are also efiective to advance the succeeding or a new printing device into printing position above the anvil A beneath the platen P.

. Thus, at least eachtime a card as SP having an opening therein as I08 moves into position beneath the detecting wheel I09, circuit is closed to the solenoid 91 and the rocker I85 is freed to the action of the spring '94 so that the finger 83. moves into a position, such as that shown in Fig.' '1, wherein the driving member as the pawl 18 so that this driving member is permitted to engage a driven member as a pin 82 and thereby bring about an advancing movement of the printing or like devices. It will thereforebe seen that, under control of the sheets or, as in the present instance, characteristics included in selected of the sheets that are fed through a printing machine, an adlow, the detecting wheel I09 at the time the above the, anvil A r it is prevented from engaging Fig. 3 into the I parted to the printing devices-may vancing movement is imparted to the printing devices or, in other words, the advancing of the printing devices is under control of the sheets;v

As will be explained ingreater detail hereinafter, there may be instanceswhere two -spe-; cial sheets as SP including. characteristics under control of Whichan advancing movement ispimpass through the'machine successively, and itwill be recognized that in such an instance .an advancing movement; should be imparted to the :printing or like devices .in successive voperations of the machine. :In other sheets will be interposed between successive sheets as SP, andin such instances a sheet thatv is adapted toreceive impressions from the printing device that has moved into printing position will follow a special'sheet as S1? whichbrings about the advancing of a printing device into printing position. Furthermore, usually a number of sheets will be i as SP andall of the sheets interposed between special sheets as SP, that clude the characteristic which bring about advancirig of the printing devices are to receive impressions from the sameprinting device.

Hence, it is desirable that the means, in the present instance the finger 88,, which controls the interconnection between a drivingand a driven member in a means for advancingprinting devices through a printing machine, be restored to position once it has been retracted from such position in order that driving connection between the driving and driven means, as aforesaid, will be established only when desired. Furpreventundesired advanc is, sheets which ininsure that the means which are operative to maintain a driving means disconnectedfrom a driven means be the position in which this will be effected as .an

incident to each complete cycle of operation of the'rnachine. I

In the present instance this is accomplished by insuring thatthe rocker 85, finger 38, is restored to or maintained in the position. shown in Figs. 3 and 6, in which it is effective to prevent driving connection between the driving and driven means, as an'incident to the completion ofa cycle of operation of the machine, and accomplished will now be described.

A cam shaft I35, journaled in bearings as I38 suitably supported from the frame'of themachine, is provided and functions to control certain operations of themachine, as, will be ex plained presently, this cam shaft being-driven from the main drive shaft 53 in a manner also Furthermore," since the explained presently.

chine that is to shaft I35 makes one revolution to three of the drive shaft 52 from which, as explainedhere-q inabove, the platten arm 53 and the. driving rocker 13 of the printing device advancing means are operated. Thus, thecam shaft I35 makes one complete revolution for each'sheet that. is'

passed through the machine and may therefore advantageously be employedato insure, in the present instance, restoration of the rocker to its latched position.

To this. end a cam onthe drive shaft I35 and is engaged with a cam followerroller I38 rotatably mounted on instances, of course, other terposed between special sheets maintained or restored to and therefore the the arrangement by whichthis is I31, Figs. 3 and an fast the .bell

1 crank lever, generally rindicatedpby 1 89.1 "irflhe lengthnf the link rI-dli rmay beadjllsted to insure bell icrank lever-I39includesanarm 1M lihEtkEX- that whenthe :rise on the loam 13:! is inxengage tends across the top of the table 25' from the ment with the .cam follower I38, the lug .69 will rear edge thereof, as best shown einFi-g. 3, vand hefdisposed in position .to beengaged with the ed, as indicated at I 4|, on a bracket I 42 fastito 1 Sheet positioning and kindred means aretproof the spring anchor 96 inwardlywofthe ea 20 W3 p-riorto the time the trailing end of the sheet n agement with the adjacent face ofrthexar'm i 3 and 6, and at this time theaforesaid most Figs. 3, 4211101 7345", fastin the endof the arni tapes extends through; a" slot I 3 formed in t lower beneath the roller 1'63 adv" l38'toward the cam I31,- as best sh n 1 40 the shaft I68ois disposed in 7 parts attainitheir normal;at;rest1p0s tih,, ShQWn 7 position. At

lug. Thus eachtime thezcam shaft I .ldreturns asses Z the free end of this arm Mill is pivotally mount-, shoulder- 89 on the arm SI.

the tabletop 25,being boltedthereto as indicated vided in the machine and to this :end a frame F, at 43- The other aIInIM of the'b'ell crank 16-; Figs. 1 and- 2, is suitably supported above the ver I39 depends through a slot I 45 in thetable table top 25 and includes a rod .160 having bushtop 25- and one end of an adjustable link 5 10 ingstas I 51 secured thereto in'radjusted positions is.-pivotally connected'to the free end thereof, as therealong. Roller :isupports as 162 carrying 7 a 5 ..v I I r L rollers as lr63zare @ivvotallyconnected to thezbush- A handle I48 projects-forwardly from thelarm i ings as I'6-I and support the rollers as IE3 in pa 90 of the To ker 85 and hasea boss*M;9.formed sitionl above one of the feedztanes Tynes "best therein to which one end of an arm A150 is=.:fast, Shown in m 1; The t right-hand of t as indicated at IfiI. As bestis'hownklnfFigs. d rollers [63,, as viewed in Fig. '1', is mounted'in and 8, the spring anchorflfi is in'the form of a such a position that the leading edge of a sheet bolt, Which udes an enlargednhead; that'flimadvanced to the feed tapes '1' by the feed rollers st tutes the afflresaid 1 ,.a d' thal P 1 1 as moves onto the tapes Tand ;below the roller 111g 89 t dS through .a suitableopening moves from the bite between the clamping rollers in the lower end .ofzthe arm QIILand also through as 43 and the feed rollers as 5 I, and by t t m an adjacent DOrtiOII Of e m 1159, 1 1 112 1 the side edg s of Ithe-Ksheet are embraced .ber in o. w h i n end f th 1 s alifix o tween the side of the sheet guideway 154,:F'igs.

90 and to clamp the .arm; I5Il to the; arm 80. righthand roller I53 is effective to clampthe hus, itgwill be seen that the .ann 150 is fi ml sheet down onto the underlying tape 3 When I56; opposite'that connected to the boss I I-J and In the present instancea sheet which moves end ofabar Mia of theeink I46, A sp n with a stop finger It? carried. by a shaft 158 chor I54 is fast'in the lowerend ofthe bartflfi pivotally mounted in the frame Ihe shaft and .a s ring 155; extends. between this spring 1 ssrm a r: its 3 anchor and'the pin I he S lt l whichcoo'perates with the face cam; III fast on the link thefspr g ein 'efiective on'the'cam" shaft 135 and, on the link M6 to urge he c m i hweh l 1691s engagedwith the rise The cam I31 includes a rise; and Whent'he th to -fi cam shaft I35, the calnqf ollower roller I33i 1s Ii- 1 I gaged with the rise -on the c am' I31; This is ef "45' 1 a fective through the bell crank I39; to; urge ,the from 7 link I46 into i a downward mosition ,in which the sheet which has been upper end ofithe slot 153 seatsonthepin ;I:52 ir 1' l the arm I58, and the arrangement is suchjthat the succeedm when this occurs the arm I59, and" therefore the 5 the Sheet ,y in engagement with the lug 89 is arranged in such positionthat Qt he The cam" H4 spring IM may act to bring the shoulder, 89 .on V thatiit servestto the arm sl intolatching-engagement with the-55 islso arranged on the camwt235 maintain the stop finger 16-7 in sheet stopping position duringthe time a sheet V is being fed past the detecting wheel IIw-by the to i normal atrest P mh -Q m I :i feedrollers a 4!, and furthermorethe cam 11:!

5 0? is sovarranged' that it retains the stop finger IG'I lis has'been unlatched from the shoulder :89. .011,- p t t m ofthe lug 819 to latched position andtsinc this on the nl moves t entails engagement of: the upper end of the slot roller 170130 thereby elevate the stop finger 4'6 I53 Withthetpin I52, itzwill be manifest thatthe "and thereupon, as stated, the she ength of the link I 43518 important. For this wardly into engagmentwith thes I reason'the linlr 14611101116168 bars-Med and I461). t Thestop finger I12is mounted on a shaft I773 lfit'therein Whi e spacedflpeh ngs fi' g ra ie 1 thereon that" is en'gageablewith the cam 416 provided in the barJklfibr BoltsI'58 are passed alsozf st n th am shaft [35; -Th cam 1115 th h the slot I55 and thejopenings I51 and serves tomaintain thest'op finger H2 in -sheet V. then'by sliding'the bard-AtaxrelatiVe tottheibar stopping pdsitioh until after the platen -P "has 46 nd' 'e 'ealteritighteningsthe rnutsz I59,ithe madeanbther or second impression on thesheet Y with the stop sheet away from the impression madezbythe,

- edge of a sheetscarried along by that these parts to the time a leading edge 8 I I I s: It will b'e manifest; however, that since the sheet has advanced from engagement with the stop finger I61 into .engagementwith the stop finger I12, the impression made on the sheet S at the time the leading edge thereof is engaged finger I12 will be spaced. on the platen P during the time the sheet with the stopfinger I61. a.

"Likewise, after the platen P has functioned to make -'an impression on av sheet having the leading edge thereof engaged with I12, the cam I16 functions toelevate this stop finger from stopping position, but at this time thecam I11; similar to the camsI'Ifi and HI,

was engaged the stop finger mass-44:

' printing device is I55 and relative to the'shaftBZ that theplaten isloweredinto printing .position during: the ,first one hundred of hty degrees ofrotation'inapar;

ticular rotation of the shaft52 or,'in other words,

as an incident to the. first .partof a cycle of: operation..-j 1

instances it is desirable, when a new advanced into printing. position,

In many,

' that. operation 1 of the machine :be' interrupted.

' sheet'as s Pr-rnoves'be'neath thedetecting wheel I09 and thereafter the leading edge of this sheet" acts to lower the stop finger I13 (that is under I control of thecam I11 inthe same manner as that in which'the stop fingers I12 and I61 are respectively under control of the cams ll'fi and I11) into sheet stopping position; Then 'during the time the leading edge of the sheet is engaged with the stop finger I18, the platen P functions to make still another or third impression onithe sheet which; since the sheet has advancedfrom engagement with the stop finger I12 into engagement with the stop finger I18, will be spaced from two impressions previously made on the sheet. After the platen P has functioned to make this third impression onthe sheet," at which time the sheet will be below the most left hand of the rollers I63, the cam I11 functions to vraise the stop finger I18: and thereupon the sheet moves forwardly into the bite between the sheet discharging rollers I19 and the tapes '1 and passes into the sheet collector K. 1

Thus, it will be seen that in the present instance three stop.

stop fingers to thereby bring spaced positions on the sheet into position below the platen P, where- "by three impressions are made by theplaten onto the sheet at spaced intervalsfrom a pri'nting-de-' vice disposed on the anvil A.' It will be understood, however, that a greaterior less number of stop:fingers might be provided so that a greater or less number ofvimpressions mightbemade on each sheet fed into the machine-withoutdepartings from'the purview of the present invention. It will also are so supported on the frame F and that the cams as I1I are so fast to the cam 'shaft as I may be'moved into adjusted .posifingers are provided and the :leading the feed tapes T successively moves into engagement with thes'e be understood that the stop fingers movement 1 of the tions so that the impressions may be made-on I the "sheets at desired positions, vas, for example, in registration with other data or the like appearing on thesheets.v It will thus be seenthat once the machine is set in operation and a printing devicehasbeen advanced into printing position impressionswill be made at spaced intervals on sheets successively fed into the machine until a special Sheet/ 5S SP- moves into position beneathi the-detecting special sheet as I99, an

wheel I99. When, however, .a SP moves beneath the detecting wheel advancing movementis imparted tothe printing devices, as hereinabove described, and subsequent of such sheet moves 7 first stop fingeriIBL disposed inqprintl special sheeteas SP I86 therein" in '0 which Therefore; inthe present instance; whena special movesinto engagement with the, stop finger I61, operation ofthe machine interrupted.

lvioreov'er, if for any reason a sheetshould not befe'd by the rollers as a sheet should be fed, then in the course of opera ation of ithe machine the detecting fwheel $109 will be free tomovei into the groove I II andsin an instance such asthis it is desirable that operation of the machine be interrupted.

It will be" recalledthat the .rocker..lzi1 which carries the shaft II 0 on which the detecting wheel 'IIIS has been described as moving into a lower poe sition each time the"detecting wheel 1I991moves thisdetecting into the groove I I I, either because wheel -passes "through'an opening.

or when as-IUS in'a by the rollers asFeII I20 moves In the present instance means responsivet'o 'J- I I intoits aforesaid lowerposition bring about interruption of operation of the machine when rocker I I1 be described. I I

It has been explained hereinabove that thong,

clutch, generally indicated-by 55, Figs. 1, 15 and '16-, is effective'to connect the drivingto the" shaft 53 and that power is 'rotatably. recanted on the shaft '53;

by I83; is pivotally mounted. cludes a nose l 84 ery of thefhub189 by asprin'g between a spring anchor on the dog and a spring anchor on the plate. I 8 I the shaft 53 to the driving pulley 51 and so'long as theinose I84 remains seated in the notch I85; I f" I the shaft 53'rotates with the pulley 51. An arcuate arm the machine frame,

intvhicha pin ISiH ismounted,- and'this pin e'xtends into an arcuate slot I95,' is fast thereon.

machine and a. spring anchor into the position in, which tothereby engage'the pin.

endi'of the'iarcuate slot I9'I, as itfi's viewe'din 4| afgga timeIIwhen uch II I a sheet is not fed In eithersuch' an instance? the detecting wheel I99 may move into the groove I I II for at such a time the drop I2I- in 'thefcam into position beneath'the 'rOllerL- II'I9.

this occurs as'will now I pulley 511 for operating the machine is supplied to the driving pulley E Iwh ich I I I I -As--best a 1 I 15 and'lfi; thepulley '51 includes .a' hub I that extends toQ-a circular plate ISI fasten the shaft53 and which includes a boss, 7 "I82, Fig. '15, on whichga dog,"generallyindicated The dogsl83'in I that is urged-toward the periph I85 that extends' The hub' I8iI has a notch r I I the nose I84 may seat-to thereby interconnect the plate I8I and therefore I81 is pivotally mountedon't as indicated at I88, a ndhas Y a boss I89 thereon near the free end thereof.

I I I9'I inthe plate I92 The plate I92 is fast toa shaft I93 that'is jour-' naled in the frame of the machine and which, as

1, extends forwardly from'the the depending lug/I'I3, Fig. 10, 1

I09 whereua sleeve I94; including a -unitary handle A spring :I9B- extends 'be-f tween a' spring anchor I91 on the frameofthe I I I98 onftheplate I92 andmormally tends to urge theplate I92 it is shown in Fig.1}? I I99 with the left-hand I pulley 51 a'ndthe shaft 53.

v 15 so that the nose I84 may remain seated in=.-30 2' 1'11v fl 111g n the i I ker H1. When,

H3 and urges the plate @253 about its pivota1 40"rod"2IImovesinto'position'to be eng ged bythe 'mounting Ztyijto maintain the shoulder 20: Q in shoulder 2I1 on the cam ZE. 'I'heniin the oourse engagement withtheshoulderlfll. It is the em rotation o hec s t I2 he'in re a quently the plate, It: and the slot I91 thereili' thereup as i e ewhe hl r 2611s and the arcuate arm. I81 in the position shown rocked, the shoulder 292 is'fwithdrawn from enin Fig. 15 for the purpose explained above. A sa g pe wihhf i sh de 1 24 5 t r fl 7 2,833,844 9 Figs. and 17, Withthej pin I50 to-thereby pii ot or the machineiistdbe automatically interrupted the arcuate ar'mf I81 about its pivotal mounting "whene er-the deteoting wheel IU9-15assed into the I98 into such position that it lies in the p'ath groove III eithenbymovingthroughanopening of the tail of th'edog I83 so that in thecoilrse its-J08 in a specialsheet SPor ewhen a sheet of rotation of the dog I83 with-the plate I8lthe 5 is "iio'tied between the detecting wheel I05 and 53.11199 inoves onto' the inner aroiiate'sur-faoe the-' periphery of the-wheel H2 in which the of the arm I81, and therei pon thedog I 83'is so groove III is afiorded. To'this end a rod '2I I, pivoted that the nose I 84 is Withdrawn from the Figs. 9, 1 2 and 14, has an inturned end ZI2, Fig. notch [85 and in this way 'the plate I8I and 14 that "extends into the boss Zill on the plate therefore the shaft 53, is disconnectedfrom the' 0 203; and this rod is passed through'an opening i 5 2I3jin the lug Z'Ilontherocker I I1 and'thefree When, however, the handle [95 is graspe'dand end ofthe rod 2! I beyond thelu'g 214 is formed I83 and thereupon the dog'is freed 'to the acti0nir20 Imoves beneath the roller I I9 to thereby perof the spring I85 and the nose reenters the notch. mit the detecting Wheel I09 to d op onto a sheet I85 to thereupon egain interconnect the driving disposed in the bite between the wheel I091and V 1 --the'wh'e'el' ll2, the rocker H1, as explaine'dhere- Inasmuch as-"it is desirable 1 to maintain' the o "inaboi e, is maintained an upper positionqso machine in operation, means are prov idedwforiv 11 long as the rocker I I1 is maintained in this upper holding the handle I95 in the position inwh'ioh position, the rod ZII andpartio'ularly the shoulthe notch I86 to maintain'thes'haft 53 co'nnected however, the drop I2! the cam I20 fnovesbe to the"driving pulley 51. To this'end a-p'ad 200, heath the roller H9 :tothereby permit the deproviding a shoulder 20L is formed: on the sleeve 7 tectirig wheel I09 to 1ower and'no sheet is dis- IM and the shoulder 2M is engageablefwithf'a posedin the bitebetweenthisdeteotinawheel shoulder 20;. on aplate 203 pivotally mounted"=Qandfthe cooperating wheel;l'l2 'or when an opengagement of these shoulders that holds the'hanment offltheseflshoulders causes the plate 203 to die I95 andv therefore the shaft I93 and conse-w pivo da ut its p v and and thereby disconnecting the shaft 53.frorn"the 5* lluti on" to three of the driveshaftT5Zinorderthat the padzflfl and in this way the clutch; generally der 83' be assured as each sheet fiasses through idehtifiedas 55, and which includes the nose let the maohine, andto this'endthe" cam I31,- Fig. and the notch I 86 is maintained disengaged. I Bjis mounted on the camshaft I35, "s explained As has been explained hereinabove, operation hereinabove, so'thatthe rise on'the cam I 31 enpositionaonce I35. Slffitlflhsztojts at I rest ;positi on --.near;-the end of acomplete rotation .thereof; In addition to theforegoing; it isgdesirablejthat the detecting wheel I709 be permitted to rnove ;-into-defiting 'machine: and, :as explained; hereinabove; this is permi tted-whenthe drop .12! ;on the cam I12!) -movesintonpositionbeneath' theqrol lerel L94 The; ratio *between; theima in drive shaft 53 and. thedriveshaft 52 isrone-to-one and since it-is desirable that :the drive, .shaft :52 make three revolutions. to one of; the camshaft 135,101? the reasons explainedhereinahove, and since the camshaftgl35;is"to make but'a single rotation for each :sheet fed into the machine and since the detecting wheel l99;i s to perform a detecting operation. only; once. for

fest} that the ,cam shaft .122 -should alsmmake but ta -single revolution. each time .the drive; shaft 1 52 and the main drive: shaft :53 make-three revolutionsn i s In rView Qf-l3h6 foregoing, a geared connection, afforded-Joy the gear train -2 l-8,;=liig. 1, is established between thezdrive shaftesand the-cam shaft 422.,Furthermore, :sincethe scam shaft I22 makesone revolution to'threeofthe drive shaft l 52, aJnevel gear interconnection .2 l 9, Figs. 1 and 9, is,esta lished between the camshaft lll and the cam shaft l35. It will hennderstood, however that if,for-example, buttwostop finfgers were provided so that 'itvw-ould only be necessary for} the-cam shaft I35 to quake one revolution while .the drive shaft; 5?v wasmaking two revolutions; then the geared interconnection between. the; shaft. 53 and .the cam shaft 122 woiildabestwo-to -one so that asheet detectingop- ,eration would he performedbyQthe wheel .198 for each sheet fed-into thetmachine and also. so .that theacam' shaft,ll35 would be .operated to. effect .'.a .-restoring operation in sofa-r as the lug 9..andsshoulder-:8*9" .are -concerned-fhr. eaclisheet 1 fed into,tlie,rnachine .O'fcourseiif .hutlaisingle impression, .was .to belrnade on. each .sheet,..th'en ,the carn shaft 1.2 2- land ,therei ore the .camgshaft I35, .wouldhe driveniri a one-toeone. ratio :with the shaftsQ52 amass, Furthermore if four or more impressions were .tofloeinade ,on ieach'sheet, then'.the 'r'atio between the driveshaft. 53 and the .cam l'shaft 122 and. therefore the 16am shaftfl|35 WOlild. 'l he. fonr-ito {one .or. more depending .upon the .number bf impressions to file made (on :each sheet. -L 'It willalsobe understo "d that themeans v for op'eratin githei sheet. withdrawing, means, in-

eluding the suction nozzle 'asl' ,flg are operated from .or in time. relation with -the earn.- shaft 1.22 so. that a withdrawing perati on and e the feeding Die-sheet by the feed rollers as. 41 into the hite -hetween the, rollers 110 9.. and i ll 2 will only effected whenthe detecting wheel tiiflvwillfreed, as above-described, so as to .periforma detecting; operation. ;i K 1 v It--w-ill -be=-seenpfrom theforegoingdescription that in the;present machine jeachsheet ,fed into ,Ithe'machinehas threein pressions made; thereon from a printingdevioe .dispo-s'edl in-,.printing position. .lltwillralsolloe nnderstoodf that ,a printing -device remains in, printing 2 position until such' time .as thedtecting' wheel Hi9 vrnoves into the groove .lill. iinder the circiunstanceshereinabove described so :as to therehyforing' ahout.fenergization o'fth'e solenoid" QTILa nd the releasing of the lug 89 .froni' thelsho ilder. 891', It. is. assnred that I a; sheet. feeding operation. will not .be hronght about under; other" circumstances 'py' reason of engage the: tail each-' sheet, it.- is mani- 5&3334854 .;the.; restoring ortmaintaining operationeefiected by thecam; L I 31; throu h. ,th "ll ig-1M8 as {an incie dent to passage f. :2 I J I hweyer, as explainedhereinabove, the i -whee L t-mo i he. roove. ian t solenoid-91zis consequently energized,- the shonlcler 202 iswihdrawn'from .-as to movelthe. arcuate arm- 7 till s-into position to 1,99 of the; dog 183-.and thereby interrupt rotationeof the-main-drive shaft-5.3; This servesto:interrnpt operation. of the machine since the'various operative mech'anisms in the maclriine -are driven from main drive 5 shafts53. ;-Hence, ;each time a itionis effected by thewheel man reason of'the rnovement of this wheel into i the groove j H in e,-:. Whe -l. 1 n ad a in m v m nt; somparted to the :printing. devices and operation" of athei rnachine is interrupted.

- wltwillbeunderstood that if the L09; moves into the groove '1 l l ,;.as. aforesaid, by reason of the passage ingfas |;0-8,in a specialzsheet aszs fiat the time in- 5 terruption -of-oper-atien of 7 he} machine zoccurs, as J explained hereinabove, .thespecial sheet S]? will beeengaged with the stop finger I51; .It; is

, "intended th-at-an; advancing movement -isito be devices and op '.imparted .to the printing I eration .of the machine is to. whenaispecial. sheet as SP moves beneath. thesdetecting wheel ,1 L09. detecting whee1 1.09 moves into. .by .reason of the fact thatQar-sheet has'fnot been 5 fedinto thehitebetwe'enthedetecting wheel 109 or like 'n interrupted-only into position .Hence,.if the rnachine subsegaennyoccnrs; the operator may readily ascertain that the; machine operation was interruptedibyreason of impro'per.operatiomof 1 machine for at this'timeLno sheetwilllbe en- I16], a. maybe. rea'dilysascertainedhy the operator. ,This affords} the. operator an vLopp'ortunity' .to. correct thelpc'an'se. of suchl'improper. .ope'rationlof the ma- ..gaged .with the stop 'fing'er shine. and prevents the vaccrualv of improper; nia- 6011', 11 utility,

,chine' operationwhich mightlariseif .a. printing v ting"position p jabove"the,anvil 'Aprem'aturely' by reason of the v device .iw'ere jwithdrawn from .pri

'ftactftliatpo 'sheethad, been fed into the bitebetweenthe wheelsilflfi and. n2. I

'fjBy'way xplainin'g the operation. of thei-presbe conveniently made jent' machinefreference can 10 the pre'parationoi businessinstruments inflec isclosure of theahove ressigierrfled to application of I-IaroldMhWhittlesey,

jiSerial Nor .ex'plaine'glithat. allbusiness instrumentsthatare f am e 1 H to, receive'identicalQvariable data as, ftlieg'amountslto'be billed the customers ,]of apubf are; grouped, which is to say, cor'dance ith the disclosure of,,.thel aforesaid Whittle'sey application; 'all example, to go 1 -loilledilnder the same rate schedule for. .consnxnp: Stionofan' -identical quantit v.of nie ommcnity distributed. by. .the public utility are arranged in a' groupli In the I present instance, such groups ,aieseparated-Dyarranging-betweeii the'las'tgbill in a succeeding ov group aspecial sheet Suhasis identified herein ,in one groupland thefirst bill as s i -InQan. instancesuch as the f oregoingthe printingdevices that are to bestacked in the magazine M .andwhich are to be advanced to.-,printing. po-

5 ,sitio'n are arranged, for example, .to have type f of;.each.sheet-l.through the mathe shoulder 20 I :so

detecting,0 1; era-v v detecting wheel thereof Qthroughyanopenthe groove lll andithe wheel l l'Z.,.then.wheninterruption of the fact which .013357, filed Julyen, where an v public utility-bills, for to customers that are to pe I sumption quantity, the a the 'shhulder'2i12 ana bythis time ;a sheet will eaged with the strip finger I12: Thii -durin," thatlthpiinfipg ctevicewhich hasibeendisp'osed means, asfo'r example, the nozzles as 40 and the 50 t PBJWI ,415 e iiee frbmlthlbosi' abotei'described, and during 'thehfourth revoluthe cam shaft 'li35, andithis insuresragainst'an manner until during a time when the leading rod ZII to be' iiga'gedbwiie shcii ilc lerfll'lbnthe 2,333;s44 characters included thereon'iroin whicha 11 Ciel sheet s1 nioves into position b eneath the detecting wheelIBS. i I

the amount of a net- I hen aspecial sheet SP moves into position amount of the gross bil I beneath the detecting wheel I09 atatime such as a that just described, the cietecting=wheel passes V v J through the opening its I08 into the groove I II being multlpliedhywu Th and thereupon the conta ct point I26 is engaged with the Contact" boint I21 to bring about enerquantities of from'on'ei" j" J" V '10 occur immediately after the platen P has inside which it can engage-thepawl=18in themanner shown in Fig. 6.1 It will tbeunderstood that in each operation of the machine up and until the imparted to the printing devices.

However, when the solenoid 911's energized and the rocker 85 is unlatch ed, as aforesaid, the driving member, as the pawl -18, moves into engageby causing the' shoulder'zfll tofbe'ngaged with be disposed in engagement with the "first stop finger I67. Ihth'e illustrat t r I e 5 52 theiplaten P Will make an impression on sheet from the'printingdevice disbosedlinfpr-inttapes T so that the 'lading ede thereof is eh- 40 'mo-vementis impart-edtb th'pflintingidevices so the second revolution ofthe shaft-52; the second I impression will beniade on the sheetand subsem? 0 i galley and fiucceedmg quehtly the stop finger In wiu beeievatedand Prmtmg devlcells 9"?! 9? Q F F Q F rollers as M, will be'advanoing the succeeding ition in i it enb e e i 13119 finger sheet beneaththe detecting wLeel m9. After -.a saf er t ime.;=thet he p 18 the third impression has been made on the'first va m zpoe t in e itc be sheet in the course of thethird revo-lution of the engaged by the finger Ban-that the rise on the shaft52, "the step finger IIB'Will raise to freethe V V first sheet which Will thereuiaon' passint0 the theihereinabovedescribed e e m ef 4M and been advancedso that the leading'edge ing I engagement with the shouider' 39? the thereof engages thestop finger. IBlga detecting manner shown-in'Fig; 3.{ Itwi1l--be understood operation will havebeenfperformed by the Wheel that thi "assurance that th lug '89 I islatched tion of'theshaft' 52an operation lik'ethat whic undesired advancing'movement beihg' imparted occurredduring the first revolution thereof will to thepr inting devices. 1 i take :place and during the fifth revolution of the i As has been explainecihereinabovel movementof shaft 52, an'operati-on like that occurring in the the detecting wheel I89 intoithe groove I-II not edge of a sheet is engaged with the stop firiger arm ZIB so'that theplate z fl3rigipivo'ted and the :73, which wi11- orrespond to th hereinabove shoulder ZIJZ'is \ivithdrawn from eng'a gernent with described thirqrevolutionof the shaft 52, a spe- .75 the shoulder ZUI to'thereby free'the shaft- 593 and 

